Group 1 - The article emphasizes that fundamentals ultimately determine market outcomes, focusing on real supply and demand rather than government estimates or imaginary numbers [1] - Examples of markets with bullish fundamentals include live cattle and soybeans, which exhibit contrasting social media influences affecting algorithmic trading [1] - The discussion highlights the impact of social media on algorithm-driven investments, suggesting that algorithms may act as trend setters rather than merely following trends [2] Group 2 - The article introduces the Four-Week Rule as a simple momentum-based trading strategy, advising to cover short positions and buy long when prices exceed the highs of the previous four weeks, and to liquidate long positions and sell short when prices fall below the lows [3] - It suggests narrowing the focus to familiar commodity sectors, such as grains or cattle, to evaluate potential long or short positions based on real supply and demand metrics [4] - The importance of using filters to limit risk is discussed, including factors like volatility, seasonality, and price distribution, to inform decisions on futures, options, ETFs, or equities [5]